Meet manatees face-to-face at this zoo for native species.

Hidden beneath the streets of London is a secret subway that only carried mail.

The oldest stone house in Paris was built by its most famous alchemist.

This whimsical castle of grottoes was the labor of love of a French postman, and one of the greatest achievements of outsider architecture.

Countless stories attempt to explain Poland's mysterious J-shaped trees.

Arrr! The most authentic collection of pirate artifacts in the world... matey.

Florida's oldest bar was once a morgue, complete with a hanging tree and gravestones.

The birthplace of American international flight service has been turned into a celebrity's microbrewery.

A monument celebrating the idea of reaching inaccessible places.

An archival collection of over 2,200 case studies which includes human brain specimens and tumor specimens.

An unrealized dream to wirelessly electrify the entire Earth.

World's largest herd of white deer populate a former U.S. Army depot.

This Elizabethan hedge maze is one of only six in North America.

Defying all odds, this lonely little tree found a home on a log sticking out of a Canadian lake.

Rustic natural hot springs in the deciduous rain forest.

Tour the original street level of Port Angeles, buried underground in 1914.

The tale of a strong-willed woman who stood her ground when the commercial world came rumbling in.

This lesser known Hearst estate is a fairytale village built from the stolen bones of historic European buildings.

An exercise in patience and imagination, where Mother Earth turned common stuff into precious hidden treasures.

This graveyard is the eternal home of many brave pioneers who settled the Great Northwest.

The lush coastal city of Astoria is riddled with forgotten secret sidewalks.

This historic steamboat is scuttled just a few hundred feet from where it was built over a hundred years ago.

Mountain known by the Tillamook Tribe as "the place of the supreme deity."

Two massive rock outcroppings on the Oregon coastline.